UNI-T UT522 Digital Earth Tester
UT520 series can perform precise 3-wire and simple 2-wire earth resistance measurement for power and electrical systems, lightning protection equipment, and ground system of all electrical equipment.
This series is UNI-T’s introductory earth resistance tester with high economic value. Its light weight design is convenient for field work.
Features:
- Manual range.
- Low battery indication.
- Data hold.
- LCD backlight/auto power off.
- Full icon display.
- Double insulation protection.
- Poor contact display: “…Ω”.
- Over-range display: Display “OL”.
- Simple 2-wire testing.
- Precise 3-wire testing.
Specifications:
| Specifications | Range | UT522 |
| Earth resistance (Ω): | 0~40Ω | ±(2%+20) |
| 0~400Ω | ±(2%+3) | |
| 0~4000Ω | ±(2%+3) | |
| AC earth voltage (V): | 0~400V | ±(1%+6) |
| Frequency: 50Hz/60Hz | √ | |
| Features | ||
| Display count: | 4000 | |
| Manual range: | √ | |
| Auto power off: | Around 10 minutes | √ |
| Low battery indication: | √ | |
| Data hold: | √ | |
| Data storage: | 20 | |
| LCD backlight: | √ | |
| Full icon display: | √ | |
| Double insulation protection: | √ | |
| Poor contact display: | “…Ω” | √ |
| Over-range display: | Display “OL” | √ |
| Simple 2-wire testing: | √ | |
| Precise 3-wire testing: | √ | |
| General Characteristics | ||
| Power: | 1.5V battery (LR6) x 6 | |
| Display: | 70.6mm x 34mm | |
| Product color: | Red and grey | |
| Product net weight: | 560g | |
| Product size: | 160mm x 100mm x 70.5mm | |
Applications:
- Electrical Grounding System Testing.
- Power Distribution System Inspection.
- Lightning Protection System Testing.
- Building Electrical Installation Maintenance.
- Industrial Equipment Grounding Verification.
- Earth Voltage Measurement.
- Electrical Safety Inspections.
- Ground Electrode Resistance Testing.
Package Contents:
- 1x UT522 Digital Earth Tester
- 6x Batteries (1.5V LR6/AA type)
- 1x Simple Test Leads with Alligator Clips
- 1x Standard Test Leads with Alligator Clips
- 1x Earth Spike (Auxiliary Ground Rod)
- 1x Gallus (Shoulder Strap)
- 1x English User Manual
- 1x Carrying Bag